/* 清除所有标签自带的间距 */
html,
body,
ul,
li,
ol,
dl,
dd,
dt,
p,
h1,
h2,
h3,
h4,
h5,
h6,
form,
fieldset,
legend,
img,
input,
figure,
figcaption {
    margin: 0;
    padding: 0;
}

section,
article,
aside,
header,
footer,
main,
nav,
hgroup {
    display: block;
}

/* 清楚下划线 */
a,
u {
    text-decoration: none;
}

/* 让倾斜标签不倾斜 */
em,
i {
    font-style: normal;
}

/* 清除默认加粗效果  让加粗标签不加粗 */
b,
strong {
    font-weight: normal;
}

/* 清楚列表自带的列表符号 */
ul,
ol,
li {
    list-style: none;
}

/* 让标题标签回归正常 */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 16px;
    font-weight: normal;
}

/* 清除自带边框 */
body {
    font-family: "微软雅黑"
}

/* 清除轮廓线 */
input {
    outline: none;
}

img {
    border: 0;
    display: block;
}